Inventor · disambiguated record
Jay C. Duhn
Also filed as: DUHN JAY C
2 granted patents·22 citations·filing 1989–1992
60Inventor score
Technology areasE21B
Files withDUHN OIL TOOL INC2
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →